(19)

(11)

EP 2 345 125 A1

(12)

(43) Date of publication: 20.07.2011 Bulletin 2011/29 (21) Application number: 09801797.3 (22) Date of filing: 14.10.2009

(51) International Patent Classification (IPC):  H02H 9/02(2006.01) H01F 6/06(2006.01) (86) International application number: PCT/IT2009/000466 (87) International publication number: WO 2010/044121 (22.04.2010 Gazette 2010/16)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR Designated Extension States: AL BA RS (30) Priority: 14.10.2008 IT RM20080547 (71) Applicant: Alma Mater Studiorum -Universita' di Bologna 40126 Bologna (IT)	(72) Inventors: MORANDI, Antonio I-40125 Bologna (IT) IMPARATO, Salvatore I-47020 Longiano (FC) (IT) (74) Representative: Iannone, Carlo Luigi et al Barzanò & Zanardo Roma S.p.A. Via Piemonte, 26 I-00187 Roma I-00187 Roma (IT)